SWWL - delete work item - approval preview log??

Hi all,

SRM 5.0 ECS.

We have implemented custom n step approval wf for shopping cart .The shopping cart has PO and invoice created and the header status for shopping cart is approved.However now the workflow has restarted for the cart and I need to delete the work items from the approvers inbox.

If i delete the work items from SWWL transaction,will the shopping cart status still be "APPROVED"???

Is SWWL the best way to delete the work items??What will the approval preview for the shopping cart show after I delete the work item?